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nuprl-staging

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training_classifier_intermediate_depth3

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Northeastern University PRL 14

class A: def __init__(self, txt: str): self.z: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") g = B("g") a = A("a") b = B("b") h.z = a h.y = b g.s = b a.z = h a.y = b b.s = g assert h.y.s.s.s.txt == "

g"

class A: def __init__(self, txt: str): self.z: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") g = B("g") a = A("a") b = B("b") h.z = a h.y = b g.s = b a.z = h a.y = b b.s = g assert h.y.s.s.s.txt == "g"

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class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: G = None self.txt = txt class C: def __init__(self, txt: str): self.u: F = None self.txt = txt class D: def __init__(self, txt: str): self.z: G = None self.y: F = None self.t: C = None self.txt = txt class E: def __init__(self, txt: str): self.t: D = None self.q: G = None self.p: F = None self.o: F = None self.txt = txt class F: def __init__(self, txt: str): self.v: D = None self.w: A = None self.q: B = None self.t: C = None self.txt = txt class G: def __init__(self, txt: str): self.z: B = None self.o: B = None self.txt = txt f = A("f") d = B("d") c = C("c") a = D("a") i = E("i") g = F("g") e = G("e") f.v = d d.u = e c.u = g a.z = e a.y = g a.t = c i.t = a i.q = e i.p = g i.o = g g.v = a g.w = f g.q = d g.t = c e.z = d e.o = d assert e.z.u.z.u.z.u.z.txt == "

d"

class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: G = None self.txt = txt class C: def __init__(self, txt: str): self.u: F = None self.txt = txt class D: def __init__(self, txt: str): self.z: G = None self.y: F = None self.t: C = None self.txt = txt class E: def __init__(self, txt: str): self.t: D = None self.q: G = None self.p: F = None self.o: F = None self.txt = txt class F: def __init__(self, txt: str): self.v: D = None self.w: A = None self.q: B = None self.t: C = None self.txt = txt class G: def __init__(self, txt: str): self.z: B = None self.o: B = None self.txt = txt f = A("f") d = B("d") c = C("c") a = D("a") i = E("i") g = F("g") e = G("e") f.v = d d.u = e c.u = g a.z = e a.y = g a.t = c i.t = a i.q = e i.p = g i.o = g g.v = a g.w = f g.q = d g.t = c e.z = d e.o = d assert e.z.u.z.u.z.u.z.txt == "d"

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class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt g = A("g") h = B("h") a = A("a") f = A("f") g.y = f h.o = g a.y = g f.y = a assert a.y.y.y.y.txt == "

g"

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt g = A("g") h = B("h") a = A("a") f = A("f") g.y = f h.o = g a.y = g f.y = a assert a.y.y.y.y.txt == "g"

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class A: def __init__(self, txt: str): self.x: G = None self.q: E = None self.v: G = None self.y: B = None self.r: B = None self.p: E = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt class C: def __init__(self, txt: str): self.x: E = None self.q: D = None self.txt = txt class D: def __init__(self, txt: str): self.o: G = None self.p: E = None self.q: B = None self.v: E = None self.r: F = None self.u: G = None self.s: F = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.txt = txt class F: def __init__(self, txt: str): self.q: B = None self.t: B = None self.txt = txt class G: def __init__(self, txt: str): self.v: D = None self.q: A = None self.w: D = None self.txt = txt c = A("c") j = B("j") e = C("e") a = D("a") d = E("d") f = F("f") h = G("h") c.x = h c.v = h c.q = d c.p = d c.y = j c.r = j j.v = c e.x = d e.q = a a.o = h a.u = h a.p = d a.v = d a.q = j a.r = f a.s = f d.z = a f.q = j f.t = j h.v = a h.w = a h.q = c assert f.q.v.q.z.txt == "

a"

class A: def __init__(self, txt: str): self.x: G = None self.q: E = None self.v: G = None self.y: B = None self.r: B = None self.p: E = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt class C: def __init__(self, txt: str): self.x: E = None self.q: D = None self.txt = txt class D: def __init__(self, txt: str): self.o: G = None self.p: E = None self.q: B = None self.v: E = None self.r: F = None self.u: G = None self.s: F = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.txt = txt class F: def __init__(self, txt: str): self.q: B = None self.t: B = None self.txt = txt class G: def __init__(self, txt: str): self.v: D = None self.q: A = None self.w: D = None self.txt = txt c = A("c") j = B("j") e = C("e") a = D("a") d = E("d") f = F("f") h = G("h") c.x = h c.v = h c.q = d c.p = d c.y = j c.r = j j.v = c e.x = d e.q = a a.o = h a.u = h a.p = d a.v = d a.q = j a.r = f a.s = f d.z = a f.q = j f.t = j h.v = a h.w = a h.q = c assert f.q.v.q.z.txt == "a"

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class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.q: C = None self.txt = txt class C: def __init__(self, txt: str): self.p: C = None self.x: B = None self.o: C = None self.txt = txt i = A("i") g = B("g") f = C("f") j = C("j") e = A("e") i.v = e g.s = j g.q = f f.p = j f.o = j f.x = g j.p = f j.o = f j.x = g e.v = i assert e.v.v.v.v.v.txt == "

i"

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.q: C = None self.txt = txt class C: def __init__(self, txt: str): self.p: C = None self.x: B = None self.o: C = None self.txt = txt i = A("i") g = B("g") f = C("f") j = C("j") e = A("e") i.v = e g.s = j g.q = f f.p = j f.o = j f.x = g j.p = f j.o = f j.x = g e.v = i assert e.v.v.v.v.v.txt == "i"

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class A: def __init__(self, txt: str): self.t: B = None self.x: D = None self.z: E = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.z: A = None self.w: E = None self.o: C = None self.txt = txt class C: def __init__(self, txt: str): self.o: B = None self.txt = txt class D: def __init__(self, txt: str): self.r: C = None self.w: C = None self.z: B = None self.txt = txt class E: def __init__(self, txt: str): self.v: A = None self.y: B = None self.z: B = None self.u: B = None self.txt = txt d = A("d") f = B("f") g = C("g") e = D("e") a = E("a") h = B("h") d.t = h d.x = e d.z = a f.r = e f.z = d f.w = a f.o = g g.o = f e.r = g e.w = g e.z = h a.v = d a.y = h a.z = h a.u = h h.r = e h.z = d h.w = a h.o = g assert d.z.u.w.v.txt == "

d"

class A: def __init__(self, txt: str): self.t: B = None self.x: D = None self.z: E = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.z: A = None self.w: E = None self.o: C = None self.txt = txt class C: def __init__(self, txt: str): self.o: B = None self.txt = txt class D: def __init__(self, txt: str): self.r: C = None self.w: C = None self.z: B = None self.txt = txt class E: def __init__(self, txt: str): self.v: A = None self.y: B = None self.z: B = None self.u: B = None self.txt = txt d = A("d") f = B("f") g = C("g") e = D("e") a = E("a") h = B("h") d.t = h d.x = e d.z = a f.r = e f.z = d f.w = a f.o = g g.o = f e.r = g e.w = g e.z = h a.v = d a.y = h a.z = h a.u = h h.r = e h.z = d h.w = a h.o = g assert d.z.u.w.v.txt == "d"

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class A: def __init__(self, txt: str): self.t: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.u: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") b = B("b") f = C("f") i = B("i") a = A("a") h = C("h") e.t = h b.w = a b.u = i f.o = a i.w = e i.u = b a.t = h h.o = e assert e.t.o.t.o.t.o.txt == "

e"

class A: def __init__(self, txt: str): self.t: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.u: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") b = B("b") f = C("f") i = B("i") a = A("a") h = C("h") e.t = h b.w = a b.u = i f.o = a i.w = e i.u = b a.t = h h.o = e assert e.t.o.t.o.t.o.txt == "e"

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class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt f = A("f") h = B("h") d = B("d") i = A("i") f.q = h h.y = d d.y = h i.q = d assert i.q.y.y.y.txt == "

h"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt f = A("f") h = B("h") d = B("d") i = A("i") f.q = h h.y = d d.y = h i.q = d assert i.q.y.y.y.txt == "h"

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class A: def __init__(self, txt: str): self.s: C = None self.t: A = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.z: B = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.o: B = None self.txt = txt a = A("a") d = B("d") b = C("b") e = A("e") h = B("h") a.s = b a.t = e a.w = d d.t = h d.z = h b.v = e b.o = h e.s = b e.t = a e.w = d h.t = d h.z = d assert b.v.t.t.s.txt == "

b"

class A: def __init__(self, txt: str): self.s: C = None self.t: A = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.z: B = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.o: B = None self.txt = txt a = A("a") d = B("d") b = C("b") e = A("e") h = B("h") a.s = b a.t = e a.w = d d.t = h d.z = h b.v = e b.o = h e.s = b e.t = a e.w = d h.t = d h.z = d assert b.v.t.t.s.txt == "b"

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class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt f = A("f") i = B("i") e = B("e") d = B("d") h = A("h") j = A("j") f.t = d i.v = e e.v = d d.v = i h.t = i j.t = e assert i.v.v.v.v.v.v.txt == "

i"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt f = A("f") i = B("i") e = B("e") d = B("d") h = A("h") j = A("j") f.t = d i.v = e e.v = d d.v = i h.t = i j.t = e assert i.v.v.v.v.v.v.txt == "i"

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class A: def __init__(self, txt: str): self.v: D = None self.x: D = None self.o: B = None self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.w: C = None self.v: C = None self.z: C = None self.txt = txt class D: def __init__(self, txt: str): self.p: C = None self.r: C = None self.txt = txt f = A("f") j = B("j") h = C("h") i = D("i") c = A("c") a = C("a") f.v = i f.x = i f.r = i f.o = j j.x = c h.r = a h.w = a h.v = a h.z = a i.p = a i.r = h c.v = i c.x = i c.r = i c.o = j a.r = h a.w = h a.v = h a.z = h assert f.x.r.z.z.txt == "

h"

class A: def __init__(self, txt: str): self.v: D = None self.x: D = None self.o: B = None self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.w: C = None self.v: C = None self.z: C = None self.txt = txt class D: def __init__(self, txt: str): self.p: C = None self.r: C = None self.txt = txt f = A("f") j = B("j") h = C("h") i = D("i") c = A("c") a = C("a") f.v = i f.x = i f.r = i f.o = j j.x = c h.r = a h.w = a h.v = a h.z = a i.p = a i.r = h c.v = i c.x = i c.r = i c.o = j a.r = h a.w = h a.v = h a.z = h assert f.x.r.z.z.txt == "h"

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class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: D = None self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: D = None self.r: A = None self.txt = txt class D: def __init__(self, txt: str): self.q: C = None self.txt = txt b = A("b") e = B("e") a = C("a") h = D("h") b.y = e e.t = h e.v = a a.z = h a.r = b h.q = a assert a.r.y.t.q.txt == "

a"

class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: D = None self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: D = None self.r: A = None self.txt = txt class D: def __init__(self, txt: str): self.q: C = None self.txt = txt b = A("b") e = B("e") a = C("a") h = D("h") b.y = e e.t = h e.v = a a.z = h a.r = b h.q = a assert a.r.y.t.q.txt == "a"

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class A: def __init__(self, txt: str): self.t: C = None self.y: C = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.z: C = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.o: A = None self.txt = txt c = A("c") f = B("f") b = C("b") g = C("g") c.t = b c.y = b f.o = b f.z = g b.y = c b.o = c g.y = c g.o = c assert c.t.o.y.y.txt == "

c"

class A: def __init__(self, txt: str): self.t: C = None self.y: C = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.z: C = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.o: A = None self.txt = txt c = A("c") f = B("f") b = C("b") g = C("g") c.t = b c.y = b f.o = b f.z = g b.y = c b.o = c g.y = c g.o = c assert c.t.o.y.y.txt == "c"

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class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.x: C = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.y: C = None self.v: A = None self.txt = txt g = A("g") f = B("f") h = C("h") i = B("i") b = C("b") d = A("d") j = A("j") g.w = f f.q = h f.x = h h.r = b h.y = b h.v = j i.q = h i.x = b b.r = h b.y = h b.v = d d.w = i j.w = f assert g.w.x.v.w.txt == "

f"

class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.x: C = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.y: C = None self.v: A = None self.txt = txt g = A("g") f = B("f") h = C("h") i = B("i") b = C("b") d = A("d") j = A("j") g.w = f f.q = h f.x = h h.r = b h.y = b h.v = j i.q = h i.x = b b.r = h b.y = h b.v = d d.w = i j.w = f assert g.w.x.v.w.txt == "f"

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class A: def __init__(self, txt: str): self.y: D = None self.o: D = None self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.v: D = None self.s: D = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.p: A = None self.txt = txt class D: def __init__(self, txt: str): self.t: B = None self.txt = txt i = A("i") f = B("f") d = C("d") j = D("j") g = B("g") i.y = j i.o = j i.r = j f.v = j f.s = j f.u = i d.p = i j.t = f g.v = j g.s = j g.u = i assert j.t.s.t.v.txt == "

j"

class A: def __init__(self, txt: str): self.y: D = None self.o: D = None self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.v: D = None self.s: D = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.p: A = None self.txt = txt class D: def __init__(self, txt: str): self.t: B = None self.txt = txt i = A("i") f = B("f") d = C("d") j = D("j") g = B("g") i.y = j i.o = j i.r = j f.v = j f.s = j f.u = i d.p = i j.t = f g.v = j g.s = j g.u = i assert j.t.s.t.v.txt == "j"

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class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.q: A = None self.txt = txt d = A("d") c = B("c") h = A("h") i = B("i") d.x = h c.r = d c.q = h h.x = d i.r = h i.q = d assert i.r.x.x.x.txt == "

d"

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.q: A = None self.txt = txt d = A("d") c = B("c") h = A("h") i = B("i") d.x = h c.r = d c.q = h h.x = d i.r = h i.q = d assert i.r.x.x.x.txt == "d"

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class A: def __init__(self, txt: str): self.w: D = None self.y: E = None self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: E = None self.txt = txt class D: def __init__(self, txt: str): self.r: A = None self.u: A = None self.txt = txt class E: def __init__(self, txt: str): self.w: D = None self.v: C = None self.txt = txt class F: def __init__(self, txt: str): self.q: C = None self.txt = txt d = A("d") g = B("g") f = C("f") e = D("e") a = E("a") i = F("i") d.w = e d.v = e d.y = a g.o = f f.u = a e.r = d e.u = d a.w = e a.v = f i.q = f assert a.v.u.w.r.txt == "

d"

class A: def __init__(self, txt: str): self.w: D = None self.y: E = None self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: E = None self.txt = txt class D: def __init__(self, txt: str): self.r: A = None self.u: A = None self.txt = txt class E: def __init__(self, txt: str): self.w: D = None self.v: C = None self.txt = txt class F: def __init__(self, txt: str): self.q: C = None self.txt = txt d = A("d") g = B("g") f = C("f") e = D("e") a = E("a") i = F("i") d.w = e d.v = e d.y = a g.o = f f.u = a e.r = d e.u = d a.w = e a.v = f i.q = f assert a.v.u.w.r.txt == "d"

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class A: def __init__(self, txt: str): self.x: E = None self.y: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: E = None self.o: E = None self.u: E = None self.s: A = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.txt = txt class D: def __init__(self, txt: str): self.r: C = None self.v: B = None self.q: A = None self.txt = txt class E: def __init__(self, txt: str): self.v: D = None self.u: E = None self.o: C = None self.z: B = None self.w: C = None self.txt = txt b = A("b") e = B("e") j = C("j") c = D("c") a = E("a") d = E("d") b.x = a b.y = j e.w = a e.u = a e.o = d e.s = b e.p = b j.u = e c.r = j c.v = e c.q = b a.v = c a.u = d a.o = j a.w = j a.z = e d.v = c d.u = a d.o = j d.w = j d.z = e assert c.q.x.v.v.s.txt == "

b"

class A: def __init__(self, txt: str): self.x: E = None self.y: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: E = None self.o: E = None self.u: E = None self.s: A = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.txt = txt class D: def __init__(self, txt: str): self.r: C = None self.v: B = None self.q: A = None self.txt = txt class E: def __init__(self, txt: str): self.v: D = None self.u: E = None self.o: C = None self.z: B = None self.w: C = None self.txt = txt b = A("b") e = B("e") j = C("j") c = D("c") a = E("a") d = E("d") b.x = a b.y = j e.w = a e.u = a e.o = d e.s = b e.p = b j.u = e c.r = j c.v = e c.q = b a.v = c a.u = d a.o = j a.w = j a.z = e d.v = c d.u = a d.o = j d.w = j d.z = e assert c.q.x.v.v.s.txt == "b"

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class A: def __init__(self, txt: str): self.r: C = None self.t: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.p: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: A = None self.y: B = None self.x: A = None self.txt = txt e = A("e") d = B("d") j = C("j") h = B("h") e.r = j e.t = j d.q = h d.p = j j.z = e j.x = e j.y = h h.q = d h.p = j assert e.t.y.q.p.txt == "

j"

class A: def __init__(self, txt: str): self.r: C = None self.t: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.p: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: A = None self.y: B = None self.x: A = None self.txt = txt e = A("e") d = B("d") j = C("j") h = B("h") e.r = j e.t = j d.q = h d.p = j j.z = e j.x = e j.y = h h.q = d h.p = j assert e.t.y.q.p.txt == "j"

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class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt i = A("i") g = B("g") j = B("j") d = A("d") b = A("b") i.z = d g.v = i g.q = j j.v = b j.q = g d.z = b b.z = i assert d.z.z.z.z.z.txt == "

i"

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt i = A("i") g = B("g") j = B("j") d = A("d") b = A("b") i.z = d g.v = i g.q = j j.v = b j.q = g d.z = b b.z = i assert d.z.z.z.z.z.txt == "i"

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class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt g = A("g") b = B("b") h = A("h") a = A("a") g.r = b b.q = a h.r = b a.r = b assert h.r.q.r.q.txt == "

a"

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt g = A("g") b = B("b") h = A("h") a = A("a") g.r = b b.q = a h.r = b a.r = b assert h.r.q.r.q.txt == "a"

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class A: def __init__(self, txt: str): self.r: A = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.r: A = None self.txt = txt b = A("b") g = B("g") c = B("c") a = A("a") j = B("j") d = B("d") f = B("f") b.r = a b.w = d g.u = j g.r = a c.u = f c.r = a a.r = b a.w = f j.u = g j.r = b d.u = g d.r = a f.u = g f.r = a assert j.u.u.u.u.r.w.r.txt == "

a"

class A: def __init__(self, txt: str): self.r: A = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.r: A = None self.txt = txt b = A("b") g = B("g") c = B("c") a = A("a") j = B("j") d = B("d") f = B("f") b.r = a b.w = d g.u = j g.r = a c.u = f c.r = a a.r = b a.w = f j.u = g j.r = b d.u = g d.r = a f.u = g f.r = a assert j.u.u.u.u.r.w.r.txt == "a"

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class A: def __init__(self, txt: str): self.z: C = None self.p: C = None self.u: C = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.w: C = None self.y: C = None self.txt = txt d = A("d") f = B("f") i = C("i") j = C("j") d.z = i d.u = i d.p = j f.r = d i.v = d i.w = j i.y = j j.v = d j.w = i j.y = i assert j.y.v.p.v.txt == "

d"

class A: def __init__(self, txt: str): self.z: C = None self.p: C = None self.u: C = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.w: C = None self.y: C = None self.txt = txt d = A("d") f = B("f") i = C("i") j = C("j") d.z = i d.u = i d.p = j f.r = d i.v = d i.w = j i.y = j j.v = d j.w = i j.y = i assert j.y.v.p.v.txt == "d"

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class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") f = B("f") d = C("d") h = C("h") b = C("b") e = C("e") c = B("c") g.r = c f.x = g d.s = f h.s = c b.s = f e.s = f c.x = g assert f.x.r.x.r.x.r.x.txt == "

g"

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") f = B("f") d = C("d") h = C("h") b = C("b") e = C("e") c = B("c") g.r = c f.x = g d.s = f h.s = c b.s = f e.s = f c.x = g assert f.x.r.x.r.x.r.x.txt == "g"

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class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.z: A = None self.txt = txt e = A("e") j = B("j") f = A("f") c = B("c") h = A("h") a = A("a") e.x = f e.v = f j.t = f j.z = e f.x = e f.v = e c.t = h c.z = h h.x = e h.v = a a.x = f a.v = f assert c.t.v.v.x.txt == "

e"

class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.z: A = None self.txt = txt e = A("e") j = B("j") f = A("f") c = B("c") h = A("h") a = A("a") e.x = f e.v = f j.t = f j.z = e f.x = e f.v = e c.t = h c.z = h h.x = e h.v = a a.x = f a.v = f assert c.t.v.v.x.txt == "e"

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class A: def __init__(self, txt: str): self.r: A = None self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.t: C = None self.y: A = None self.txt = txt class C: def __init__(self, txt: str): self.z: C = None self.p: B = None self.r: B = None self.txt = txt j = A("j") e = B("e") b = C("b") f = C("f") g = A("g") i = B("i") j.r = g j.p = b e.t = b e.y = g b.z = f b.p = i b.r = i f.z = b f.p = e f.r = i g.r = j g.p = f i.t = f i.y = j assert b.p.t.z.r.y.txt == "

j"

class A: def __init__(self, txt: str): self.r: A = None self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.t: C = None self.y: A = None self.txt = txt class C: def __init__(self, txt: str): self.z: C = None self.p: B = None self.r: B = None self.txt = txt j = A("j") e = B("e") b = C("b") f = C("f") g = A("g") i = B("i") j.r = g j.p = b e.t = b e.y = g b.z = f b.p = i b.r = i f.z = b f.p = e f.r = i g.r = j g.p = f i.t = f i.y = j assert b.p.t.z.r.y.txt == "j"

b

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class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.txt = txt i = A("i") e = B("e") f = C("f") h = C("h") d = C("d") j = A("j") i.u = e e.r = i e.p = j f.y = i h.y = i d.y = i j.u = e assert j.u.p.u.r.u.r.txt == "

i"

class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.txt = txt i = A("i") e = B("e") f = C("f") h = C("h") d = C("d") j = A("j") i.u = e e.r = i e.p = j f.y = i h.y = i d.y = i j.u = e assert j.u.p.u.r.u.r.txt == "i"

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class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: B = None self.o: A = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.s: C = None self.t: A = None self.q: A = None self.txt = txt e = A("e") j = B("j") f = C("f") c = D("c") e.p = j j.r = e f.y = j f.o = e c.w = f c.s = f c.t = e c.q = e assert f.y.r.p.r.txt == "

e"

class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: B = None self.o: A = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.s: C = None self.t: A = None self.q: A = None self.txt = txt e = A("e") j = B("j") f = C("f") c = D("c") e.p = j j.r = e f.y = j f.o = e c.w = f c.s = f c.t = e c.q = e assert f.y.r.p.r.txt == "e"

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class A: def __init__(self, txt: str): self.p: E = None self.o: D = None self.s: E = None self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: F = None self.t: C = None self.r: E = None self.q: D = None self.x: D = None self.txt = txt class C: def __init__(self, txt: str): self.w: F = None self.r: E = None self.o: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: E = None self.z: A = None self.s: E = None self.u: A = None self.y: C = None self.r: F = None self.txt = txt class E: def __init__(self, txt: str): self.q: C = None self.r: B = None self.u: A = None self.txt = txt class F: def __init__(self, txt: str): self.u: D = None self.t: D = None self.y: E = None self.q: A = None self.v: A = None self.s: D = None self.txt = txt i = A("i") f = B("f") j = C("j") h = D("h") c = E("c") a = F("a") g = D("g") i.p = c i.s = c i.o = h i.x = j f.y = a f.t = j f.r = c f.q = h f.x = g j.w = a j.r = c j.o = f h.v = c h.s = c h.z = i h.u = i h.y = j h.r = a c.q = j c.r = f c.u = i a.u = h a.t = h a.s = h a.y = c a.q = i a.v = i g.v = c g.s = c g.z = i g.u = i g.y = j g.r = a assert a.q.p.q.w.txt == "

a"

class A: def __init__(self, txt: str): self.p: E = None self.o: D = None self.s: E = None self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: F = None self.t: C = None self.r: E = None self.q: D = None self.x: D = None self.txt = txt class C: def __init__(self, txt: str): self.w: F = None self.r: E = None self.o: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: E = None self.z: A = None self.s: E = None self.u: A = None self.y: C = None self.r: F = None self.txt = txt class E: def __init__(self, txt: str): self.q: C = None self.r: B = None self.u: A = None self.txt = txt class F: def __init__(self, txt: str): self.u: D = None self.t: D = None self.y: E = None self.q: A = None self.v: A = None self.s: D = None self.txt = txt i = A("i") f = B("f") j = C("j") h = D("h") c = E("c") a = F("a") g = D("g") i.p = c i.s = c i.o = h i.x = j f.y = a f.t = j f.r = c f.q = h f.x = g j.w = a j.r = c j.o = f h.v = c h.s = c h.z = i h.u = i h.y = j h.r = a c.q = j c.r = f c.u = i a.u = h a.t = h a.s = h a.y = c a.q = i a.v = i g.v = c g.s = c g.z = i g.u = i g.y = j g.r = a assert a.q.p.q.w.txt == "a"

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class A: def __init__(self, txt: str): self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.y: D = None self.p: D = None self.txt = txt class C: def __init__(self, txt: str): self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.t: C = None self.txt = txt d = A("d") e = B("e") f = C("f") h = D("h") d.r = h e.y = h e.p = h f.y = e h.t = f assert f.y.y.t.y.txt == "

e"

class A: def __init__(self, txt: str): self.r: D = None self.txt = txt class B: def __init__(self, txt: str): self.y: D = None self.p: D = None self.txt = txt class C: def __init__(self, txt: str): self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.t: C = None self.txt = txt d = A("d") e = B("e") f = C("f") h = D("h") d.r = h e.y = h e.p = h f.y = e h.t = f assert f.y.y.t.y.txt == "e"

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class A: def __init__(self, txt: str): self.z: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") e = B("e") h = A("h") i = A("i") d.z = i d.x = e g.w = h e.w = h h.z = d h.x = e i.z = d i.x = g assert e.w.z.x.w.z.txt == "

d"

class A: def __init__(self, txt: str): self.z: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") e = B("e") h = A("h") i = A("i") d.z = i d.x = e g.w = h e.w = h h.z = d h.x = e i.z = d i.x = g assert e.w.z.x.w.z.txt == "d"

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class A: def __init__(self, txt: str): self.y: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.z: B = None self.w: A = None self.txt = txt f = A("f") a = B("a") e = C("e") h = C("h") g = B("g") b = C("b") f.y = g f.z = a a.v = g a.z = f e.y = f e.w = f e.z = a h.y = f h.w = f h.z = a g.v = a g.z = f b.y = f b.w = f b.z = g assert e.z.z.y.v.v.z.txt == "

f"

class A: def __init__(self, txt: str): self.y: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: A = None self.z: B = None self.w: A = None self.txt = txt f = A("f") a = B("a") e = C("e") h = C("h") g = B("g") b = C("b") f.y = g f.z = a a.v = g a.z = f e.y = f e.w = f e.z = a h.y = f h.w = f h.z = a g.v = a g.z = f b.y = f b.w = f b.z = g assert e.z.z.y.v.v.z.txt == "f"

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class A: def __init__(self, txt: str): self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.r: B = None self.z: B = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.r: B = None self.q: A = None self.txt = txt c = A("c") e = B("e") h = C("h") g = C("g") f = B("f") c.x = g e.q = c e.r = f e.z = f h.u = f h.r = e h.q = c g.u = f g.r = f g.q = c f.q = c f.r = e f.z = e assert h.u.r.z.q.txt == "

c"

class A: def __init__(self, txt: str): self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.r: B = None self.z: B = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.r: B = None self.q: A = None self.txt = txt c = A("c") e = B("e") h = C("h") g = C("g") f = B("f") c.x = g e.q = c e.r = f e.z = f h.u = f h.r = e h.q = c g.u = f g.r = f g.q = c f.q = c f.r = e f.z = e assert h.u.r.z.q.txt == "c"

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class A: def __init__(self, txt: str): self.u: E = None self.s: C = None self.x: A = None self.w: C = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.x: A = None self.y: D = None self.w: E = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: D = None self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.s: C = None self.z: A = None self.txt = txt class E: def __init__(self, txt: str): self.p: A = None self.txt = txt j = A("j") e = B("e") g = C("g") d = D("d") f = E("f") c = A("c") j.u = f j.s = g j.w = g j.x = c j.r = e e.r = d e.y = d e.x = j e.w = f e.u = c g.s = d g.y = e d.w = g d.s = g d.z = j f.p = c c.u = f c.s = g c.w = g c.x = j c.r = e assert j.x.u.p.s.y.x.txt == "

j"

class A: def __init__(self, txt: str): self.u: E = None self.s: C = None self.x: A = None self.w: C = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.x: A = None self.y: D = None self.w: E = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: D = None self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.s: C = None self.z: A = None self.txt = txt class E: def __init__(self, txt: str): self.p: A = None self.txt = txt j = A("j") e = B("e") g = C("g") d = D("d") f = E("f") c = A("c") j.u = f j.s = g j.w = g j.x = c j.r = e e.r = d e.y = d e.x = j e.w = f e.u = c g.s = d g.y = e d.w = g d.s = g d.z = j f.p = c c.u = f c.s = g c.w = g c.x = j c.r = e assert j.x.u.p.s.y.x.txt == "j"

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class A: def __init__(self, txt: str): self.y: D = None self.u: E = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.y: E = None self.p: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.o: B = None self.u: A = None self.z: B = None self.txt = txt class D: def __init__(self, txt: str): self.y: A = None self.r: D = None self.q: C = None self.x: D = None self.p: E = None self.txt = txt class E: def __init__(self, txt: str): self.w: B = None self.txt = txt a = A("a") c = B("c") b = C("b") i = D("i") j = E("j") g = C("g") d = D("d") a.y = i a.u = j a.p = c c.s = a c.y = j c.p = d b.s = a b.u = a b.o = c b.z = c i.y = a i.r = d i.x = d i.q = b i.p = j j.w = c g.s = a g.u = a g.o = c g.z = c d.y = a d.r = i d.x = i d.q = b d.p = j assert j.w.y.w.p.y.txt == "

a"

class A: def __init__(self, txt: str): self.y: D = None self.u: E = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.y: E = None self.p: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.o: B = None self.u: A = None self.z: B = None self.txt = txt class D: def __init__(self, txt: str): self.y: A = None self.r: D = None self.q: C = None self.x: D = None self.p: E = None self.txt = txt class E: def __init__(self, txt: str): self.w: B = None self.txt = txt a = A("a") c = B("c") b = C("b") i = D("i") j = E("j") g = C("g") d = D("d") a.y = i a.u = j a.p = c c.s = a c.y = j c.p = d b.s = a b.u = a b.o = c b.z = c i.y = a i.r = d i.x = d i.q = b i.p = j j.w = c g.s = a g.u = a g.o = c g.z = c d.y = a d.r = i d.x = i d.q = b d.p = j assert j.w.y.w.p.y.txt == "a"

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class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.r: A = None self.s: C = None self.z: D = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.u: A = None self.txt = txt class D: def __init__(self, txt: str): self.o: A = None self.s: A = None self.txt = txt class E: def __init__(self, txt: str): self.q: D = None self.s: A = None self.txt = txt c = A("c") i = B("i") e = C("e") b = D("b") h = E("h") d = A("d") c.z = d i.p = c i.r = c i.s = e i.z = b e.q = h e.u = c b.o = c b.s = c h.q = b h.s = c d.z = c assert i.r.z.z.z.z.txt == "

c"

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.r: A = None self.s: C = None self.z: D = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.u: A = None self.txt = txt class D: def __init__(self, txt: str): self.o: A = None self.s: A = None self.txt = txt class E: def __init__(self, txt: str): self.q: D = None self.s: A = None self.txt = txt c = A("c") i = B("i") e = C("e") b = D("b") h = E("h") d = A("d") c.z = d i.p = c i.r = c i.s = e i.z = b e.q = h e.u = c b.o = c b.s = c h.q = b h.s = c d.z = c assert i.r.z.z.z.z.txt == "c"

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class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt h = A("h") g = B("g") i = A("i") d = B("d") h.y = i g.x = i i.y = h d.x = h assert g.x.y.y.y.txt == "

h"

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt h = A("h") g = B("g") i = A("i") d = B("d") h.y = i g.x = i i.y = h d.x = h assert g.x.y.y.y.txt == "h"

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class A: def __init__(self, txt: str): self.z: B = None self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.t: B = None self.y: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") b = B("b") j = C("j") d = B("d") f.z = d f.u = d f.x = d b.x = d b.t = d b.y = f j.s = b d.x = b d.t = b d.y = f assert j.s.y.u.t.txt == "

b"

class A: def __init__(self, txt: str): self.z: B = None self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.t: B = None self.y: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") b = B("b") j = C("j") d = B("d") f.z = d f.u = d f.x = d b.x = d b.t = d b.y = f j.s = b d.x = b d.t = b d.y = f assert j.s.y.u.t.txt == "b"

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class A: def __init__(self, txt: str): self.u: F = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.y: F = None self.v: F = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.y: C = None self.o: B = None self.t: D = None self.w: F = None self.txt = txt class D: def __init__(self, txt: str): self.v: B = None self.y: C = None self.x: F = None self.w: F = None self.txt = txt class E: def __init__(self, txt: str): self.r: D = None self.o: F = None self.q: B = None self.txt = txt class F: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") e = B("e") g = C("g") i = D("i") d = E("d") a = F("a") h = C("h") b.u = a e.x = b e.y = a e.v = a g.s = b g.y = h g.o = e g.t = i g.w = a i.v = e i.y = g i.x = a i.w = a d.r = i d.o = a d.q = e a.z = e h.s = b h.y = g h.o = e h.t = i h.w = a assert d.o.z.x.u.z.y.txt == "

a"

class A: def __init__(self, txt: str): self.u: F = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.y: F = None self.v: F = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.y: C = None self.o: B = None self.t: D = None self.w: F = None self.txt = txt class D: def __init__(self, txt: str): self.v: B = None self.y: C = None self.x: F = None self.w: F = None self.txt = txt class E: def __init__(self, txt: str): self.r: D = None self.o: F = None self.q: B = None self.txt = txt class F: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") e = B("e") g = C("g") i = D("i") d = E("d") a = F("a") h = C("h") b.u = a e.x = b e.y = a e.v = a g.s = b g.y = h g.o = e g.t = i g.w = a i.v = e i.y = g i.x = a i.w = a d.r = i d.o = a d.q = e a.z = e h.s = b h.y = g h.o = e h.t = i h.w = a assert d.o.z.x.u.z.y.txt == "a"

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class A: def __init__(self, txt: str): self.t: E = None self.w: E = None self.z: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.r: D = None self.txt = txt class D: def __init__(self, txt: str): self.s: E = None self.w: A = None self.txt = txt class E: def __init__(self, txt: str): self.p: B = None self.txt = txt b = A("b") e = B("e") h = C("h") a = D("a") c = E("c") b.t = c b.w = c b.z = h e.y = a h.q = c h.r = a a.s = c a.w = b c.p = e assert h.r.w.z.q.p.txt == "

e"

class A: def __init__(self, txt: str): self.t: E = None self.w: E = None self.z: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.r: D = None self.txt = txt class D: def __init__(self, txt: str): self.s: E = None self.w: A = None self.txt = txt class E: def __init__(self, txt: str): self.p: B = None self.txt = txt b = A("b") e = B("e") h = C("h") a = D("a") c = E("c") b.t = c b.w = c b.z = h e.y = a h.q = c h.r = a a.s = c a.w = b c.p = e assert h.r.w.z.q.p.txt == "e"

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class A: def __init__(self, txt: str): self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: D = None self.txt = txt class C: def __init__(self, txt: str): self.r: B = None self.w: B = None self.s: B = None self.x: B = None self.txt = txt class D: def __init__(self, txt: str): self.u: A = None self.r: A = None self.x: C = None self.txt = txt f = A("f") h = B("h") a = C("a") i = D("i") g = A("g") b = B("b") f.p = a h.w = i a.r = b a.x = b a.w = h a.s = h i.u = g i.r = g i.x = a g.p = a b.w = i assert f.p.r.w.r.p.txt == "

a"

class A: def __init__(self, txt: str): self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.w: D = None self.txt = txt class C: def __init__(self, txt: str): self.r: B = None self.w: B = None self.s: B = None self.x: B = None self.txt = txt class D: def __init__(self, txt: str): self.u: A = None self.r: A = None self.x: C = None self.txt = txt f = A("f") h = B("h") a = C("a") i = D("i") g = A("g") b = B("b") f.p = a h.w = i a.r = b a.x = b a.w = h a.s = h i.u = g i.r = g i.x = a g.p = a b.w = i assert f.p.r.w.r.p.txt == "a"

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class A: def __init__(self, txt: str): self.q: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.x: D = None self.u: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.p: D = None self.s: D = None self.txt = txt class D: def __init__(self, txt: str): self.t: B = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = C("e") c = D("c") a.q = j a.s = j j.y = a j.x = c j.u = e e.u = j e.p = c e.s = c c.t = j c.u = a assert j.u.s.t.y.txt == "

a"

class A: def __init__(self, txt: str): self.q: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.x: D = None self.u: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.p: D = None self.s: D = None self.txt = txt class D: def __init__(self, txt: str): self.t: B = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = C("e") c = D("c") a.q = j a.s = j j.y = a j.x = c j.u = e e.u = j e.p = c e.s = c c.t = j c.u = a assert j.u.s.t.y.txt == "a"

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class A: def __init__(self, txt: str): self.w: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: E = None self.v: A = None self.t: A = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: D = None self.v: B = None self.q: B = None self.txt = txt class D: def __init__(self, txt: str): self.x: E = None self.r: C = None self.txt = txt class E: def __init__(self, txt: str): self.w: D = None self.o: C = None self.txt = txt f = A("f") c = B("c") b = C("b") i = D("i") e = E("e") f.w = e c.s = e c.v = f c.t = f c.u = f b.y = i b.v = c b.q = c i.x = e i.r = b e.w = i e.o = b assert i.x.w.x.w.r.txt == "

b"

class A: def __init__(self, txt: str): self.w: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: E = None self.v: A = None self.t: A = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.y: D = None self.v: B = None self.q: B = None self.txt = txt class D: def __init__(self, txt: str): self.x: E = None self.r: C = None self.txt = txt class E: def __init__(self, txt: str): self.w: D = None self.o: C = None self.txt = txt f = A("f") c = B("c") b = C("b") i = D("i") e = E("e") f.w = e c.s = e c.v = f c.t = f c.u = f b.y = i b.v = c b.q = c i.x = e i.r = b e.w = i e.o = b assert i.x.w.x.w.r.txt == "b"

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class A: def __init__(self, txt: str): self.p: D = None self.s: E = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.t: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: D = None self.x: A = None self.v: B = None self.q: E = None self.o: D = None self.txt = txt class D: def __init__(self, txt: str): self.o: A = None self.v: A = None self.p: E = None self.txt = txt class E: def __init__(self, txt: str): self.w: A = None self.r: D = None self.s: B = None self.v: B = None self.t: D = None self.txt = txt a = A("a") j = B("j") f = C("f") c = D("c") g = E("g") a.p = c a.s = g j.z = a j.t = f f.z = c f.o = c f.x = a f.v = j f.q = g c.o = a c.v = a c.p = g g.w = a g.r = c g.t = c g.s = j g.v = j assert g.t.o.s.r.txt == "

c"

class A: def __init__(self, txt: str): self.p: D = None self.s: E = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.t: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: D = None self.x: A = None self.v: B = None self.q: E = None self.o: D = None self.txt = txt class D: def __init__(self, txt: str): self.o: A = None self.v: A = None self.p: E = None self.txt = txt class E: def __init__(self, txt: str): self.w: A = None self.r: D = None self.s: B = None self.v: B = None self.t: D = None self.txt = txt a = A("a") j = B("j") f = C("f") c = D("c") g = E("g") a.p = c a.s = g j.z = a j.t = f f.z = c f.o = c f.x = a f.v = j f.q = g c.o = a c.v = a c.p = g g.w = a g.r = c g.t = c g.s = j g.v = j assert g.t.o.s.r.txt == "c"

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class A: def __init__(self, txt: str): self.u: B = None self.q: D = None self.r: C = None self.p: C = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: A = None self.u: D = None self.w: E = None self.txt = txt class C: def __init__(self, txt: str): self.s: D = None self.u: E = None self.txt = txt class D: def __init__(self, txt: str): self.v: A = None self.u: B = None self.q: E = None self.p: C = None self.txt = txt class E: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") a = B("a") f = C("f") j = D("j") b = E("b") g.u = a g.y = a g.q = j g.r = f g.p = f a.q = g a.o = g a.u = j a.w = b f.s = j f.u = b j.v = g j.u = a j.q = b j.p = f b.z = g assert b.z.u.q.r.txt == "

f"

class A: def __init__(self, txt: str): self.u: B = None self.q: D = None self.r: C = None self.p: C = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: A = None self.u: D = None self.w: E = None self.txt = txt class C: def __init__(self, txt: str): self.s: D = None self.u: E = None self.txt = txt class D: def __init__(self, txt: str): self.v: A = None self.u: B = None self.q: E = None self.p: C = None self.txt = txt class E: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") a = B("a") f = C("f") j = D("j") b = E("b") g.u = a g.y = a g.q = j g.r = f g.p = f a.q = g a.o = g a.u = j a.w = b f.s = j f.u = b j.v = g j.u = a j.q = b j.p = f b.z = g assert b.z.u.q.r.txt == "f"

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class A: def __init__(self, txt: str): self.p: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.y: B = None self.txt = txt h = A("h") a = B("a") g = A("g") f = B("f") h.p = g h.y = a a.v = f a.y = f g.p = h g.y = a f.v = a f.y = a assert f.v.y.y.v.txt == "

f"

class A: def __init__(self, txt: str): self.p: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.y: B = None self.txt = txt h = A("h") a = B("a") g = A("g") f = B("f") h.p = g h.y = a a.v = f a.y = f g.p = h g.y = a f.v = a f.y = a assert f.v.y.y.v.txt == "f"

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class A: def __init__(self, txt: str): self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.txt = txt class D: def __init__(self, txt: str): self.z: B = None self.v: B = None self.txt = txt i = A("i") g = B("g") e = C("e") j = D("j") i.v = j g.s = i e.s = i j.z = g j.v = g assert e.s.v.v.s.txt == "

i"

class A: def __init__(self, txt: str): self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: A = None self.txt = txt class D: def __init__(self, txt: str): self.z: B = None self.v: B = None self.txt = txt i = A("i") g = B("g") e = C("e") j = D("j") i.v = j g.s = i e.s = i j.z = g j.v = g assert e.s.v.v.s.txt == "i"

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class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.w: A = None self.y: B = None self.q: C = None self.txt = txt a = A("a") b = B("b") e = C("e") g = C("g") a.q = b b.z = a e.w = a e.y = b e.q = g g.w = a g.y = b g.q = e assert e.y.z.q.z.txt == "

a"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.w: A = None self.y: B = None self.q: C = None self.txt = txt a = A("a") b = B("b") e = C("e") g = C("g") a.q = b b.z = a e.w = a e.y = b e.q = g g.w = a g.y = b g.q = e assert e.y.z.q.z.txt == "a"

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class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.v: B = None self.txt = txt b = A("b") c = B("c") h = C("h") i = A("i") d = C("d") f = B("f") b.x = f c.u = i c.s = b h.r = d h.v = f i.x = f d.r = h d.v = f f.u = i f.s = i assert h.v.s.x.u.txt == "

i"

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.r: C = None self.v: B = None self.txt = txt b = A("b") c = B("c") h = C("h") i = A("i") d = C("d") f = B("f") b.x = f c.u = i c.s = b h.r = d h.v = f i.x = f d.r = h d.v = f f.u = i f.s = i assert h.v.s.x.u.txt == "i"

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class A: def __init__(self, txt: str): self.w: C = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: C = None self.txt = txt c = A("c") g = B("g") f = C("f") i = A("i") b = C("b") c.w = f g.p = i f.v = b i.w = f b.v = f assert i.w.v.v.v.v.txt == "

f"

class A: def __init__(self, txt: str): self.w: C = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: C = None self.txt = txt c = A("c") g = B("g") f = C("f") i = A("i") b = C("b") c.w = f g.p = i f.v = b i.w = f b.v = f assert i.w.v.v.v.v.txt == "f"

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class A: def __init__(self, txt: str): self.y: E = None self.o: D = None self.z: D = None self.s: C = None self.v: E = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: A = None self.z: B = None self.y: D = None self.o: E = None self.v: F = None self.x: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: C = None self.r: B = None self.u: F = None self.z: C = None self.t: B = None self.w: C = None self.txt = txt class E: def __init__(self, txt: str): self.s: C = None self.w: C = None self.p: B = None self.u: D = None self.txt = txt class F: def __init__(self, txt: str): self.s: C = None self.x: E = None self.t: A = None self.txt = txt d = A("d") a = B("a") j = C("j") e = D("e") f = E("f") c = F("c") d.y = f d.v = f d.o = e d.z = e d.s = j a.r = e a.p = d j.t = d j.z = a j.x = a j.y = e j.o = f j.v = c e.v = j e.z = j e.w = j e.r = a e.t = a e.u = c f.s = j f.w = j f.p = a f.u = e c.s = j c.x = f c.t = d assert j.x.r.u.t.txt == "

d"

class A: def __init__(self, txt: str): self.y: E = None self.o: D = None self.z: D = None self.s: C = None self.v: E = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: A = None self.z: B = None self.y: D = None self.o: E = None self.v: F = None self.x: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: C = None self.r: B = None self.u: F = None self.z: C = None self.t: B = None self.w: C = None self.txt = txt class E: def __init__(self, txt: str): self.s: C = None self.w: C = None self.p: B = None self.u: D = None self.txt = txt class F: def __init__(self, txt: str): self.s: C = None self.x: E = None self.t: A = None self.txt = txt d = A("d") a = B("a") j = C("j") e = D("e") f = E("f") c = F("c") d.y = f d.v = f d.o = e d.z = e d.s = j a.r = e a.p = d j.t = d j.z = a j.x = a j.y = e j.o = f j.v = c e.v = j e.z = j e.w = j e.r = a e.t = a e.u = c f.s = j f.w = j f.p = a f.u = e c.s = j c.x = f c.t = d assert j.x.r.u.t.txt == "d"

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class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.txt = txt h = A("h") a = B("a") c = C("c") e = D("e") h.v = a a.s = c a.y = e c.s = a c.q = h e.w = c assert c.s.y.w.q.txt == "

h"

class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.txt = txt h = A("h") a = B("a") c = C("c") e = D("e") h.v = a a.s = c a.y = e c.s = a c.q = h e.w = c assert c.s.y.w.q.txt == "h"

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class A: def __init__(self, txt: str): self.v: D = None self.w: D = None self.s: F = None self.r: E = None self.t: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.z: B = None self.r: A = None self.v: F = None self.txt = txt class D: def __init__(self, txt: str): self.r: B = None self.txt = txt class E: def __init__(self, txt: str): self.s: F = None self.txt = txt class F: def __init__(self, txt: str): self.x: E = None self.q: C = None self.txt = txt a = A("a") c = B("c") d = C("d") h = D("h") e = E("e") g = F("g") a.v = h a.w = h a.s = g a.r = e a.t = e c.s = d d.q = e d.z = c d.r = a d.v = g h.r = c e.s = g g.x = e g.q = d assert d.r.s.q.r.txt == "

a"

class A: def __init__(self, txt: str): self.v: D = None self.w: D = None self.s: F = None self.r: E = None self.t: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.txt = txt class C: def __init__(self, txt: str): self.q: E = None self.z: B = None self.r: A = None self.v: F = None self.txt = txt class D: def __init__(self, txt: str): self.r: B = None self.txt = txt class E: def __init__(self, txt: str): self.s: F = None self.txt = txt class F: def __init__(self, txt: str): self.x: E = None self.q: C = None self.txt = txt a = A("a") c = B("c") d = C("d") h = D("h") e = E("e") g = F("g") a.v = h a.w = h a.s = g a.r = e a.t = e c.s = d d.q = e d.z = c d.r = a d.v = g h.r = c e.s = g g.x = e g.q = d assert d.r.s.q.r.txt == "a"

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class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: C = None self.o: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") c = B("c") i = C("i") h = B("h") e.t = c c.t = i c.o = e i.t = h h.t = i h.o = e assert e.t.o.t.t.txt == "

i"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: C = None self.o: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") c = B("c") i = C("i") h = B("h") e.t = c c.t = i c.o = e i.t = h h.t = i h.o = e assert e.t.o.t.t.txt == "i"

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class A: def __init__(self, txt: str): self.p: B = None self.o: F = None self.q: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.q: E = None self.v: D = None self.x: F = None self.txt = txt class C: def __init__(self, txt: str): self.z: F = None self.s: F = None self.p: B = None self.q: B = None self.txt = txt class D: def __init__(self, txt: str): self.o: E = None self.v: C = None self.q: F = None self.r: B = None self.z: E = None self.y: B = None self.txt = txt class E: def __init__(self, txt: str): self.w: B = None self.q: C = None self.t: F = None self.x: B = None self.txt = txt class F: def __init__(self, txt: str): self.u: B = None self.txt = txt g = A("g") a = B("a") i = C("i") j = D("j") f = E("f") h = F("h") g.p = a g.o = h g.q = f a.s = i a.q = f a.v = j a.x = h i.z = h i.s = h i.p = a i.q = a j.o = f j.z = f j.v = i j.q = h j.r = a j.y = a f.w = a f.x = a f.q = i f.t = h h.u = a assert i.s.u.x.u.txt == "

a"

class A: def __init__(self, txt: str): self.p: B = None self.o: F = None self.q: E = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.q: E = None self.v: D = None self.x: F = None self.txt = txt class C: def __init__(self, txt: str): self.z: F = None self.s: F = None self.p: B = None self.q: B = None self.txt = txt class D: def __init__(self, txt: str): self.o: E = None self.v: C = None self.q: F = None self.r: B = None self.z: E = None self.y: B = None self.txt = txt class E: def __init__(self, txt: str): self.w: B = None self.q: C = None self.t: F = None self.x: B = None self.txt = txt class F: def __init__(self, txt: str): self.u: B = None self.txt = txt g = A("g") a = B("a") i = C("i") j = D("j") f = E("f") h = F("h") g.p = a g.o = h g.q = f a.s = i a.q = f a.v = j a.x = h i.z = h i.s = h i.p = a i.q = a j.o = f j.z = f j.v = i j.q = h j.r = a j.y = a f.w = a f.x = a f.q = i f.t = h h.u = a assert i.s.u.x.u.txt == "a"

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class A: def __init__(self, txt: str): self.o: D = None self.x: B = None self.r: E = None self.q: C = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.w: E = None self.z: E = None self.t: A = None self.s: B = None self.txt = txt class D: def __init__(self, txt: str): self.y: A = None self.r: C = None self.t: B = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.r: B = None self.txt = txt j = A("j") d = B("d") h = C("h") g = D("g") f = E("f") i = A("i") j.o = g j.x = d j.r = f j.q = h j.y = i d.r = g d.s = i h.o = j h.t = j h.w = f h.z = f h.s = d g.y = j g.r = h g.t = d f.z = g f.r = d i.o = g i.x = d i.r = f i.q = h i.y = j assert f.r.r.r.s.s.y.txt == "

j"

class A: def __init__(self, txt: str): self.o: D = None self.x: B = None self.r: E = None self.q: C = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: D = None self.s: A = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.w: E = None self.z: E = None self.t: A = None self.s: B = None self.txt = txt class D: def __init__(self, txt: str): self.y: A = None self.r: C = None self.t: B = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.r: B = None self.txt = txt j = A("j") d = B("d") h = C("h") g = D("g") f = E("f") i = A("i") j.o = g j.x = d j.r = f j.q = h j.y = i d.r = g d.s = i h.o = j h.t = j h.w = f h.z = f h.s = d g.y = j g.r = h g.t = d f.z = g f.r = d i.o = g i.x = d i.r = f i.q = h i.y = j assert f.r.r.r.s.s.y.txt == "j"

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class A: def __init__(self, txt: str): self.z: E = None self.t: F = None self.txt = txt class B: def __init__(self, txt: str): self.t: F = None self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.w: A = None self.txt = txt class D: def __init__(self, txt: str): self.z: B = None self.u: F = None self.y: C = None self.txt = txt class E: def __init__(self, txt: str): self.y: C = None self.x: C = None self.p: D = None self.z: F = None self.v: B = None self.txt = txt class F: def __init__(self, txt: str): self.v: A = None self.z: A = None self.txt = txt e = A("e") a = B("a") h = C("h") c = D("c") g = E("g") d = F("d") e.z = g e.t = d a.t = d a.v = h h.u = a h.w = e c.z = a c.u = d c.y = h g.y = h g.x = h g.p = c g.z = d g.v = a d.v = e d.z = e assert d.v.z.v.t.z.txt == "

e"

class A: def __init__(self, txt: str): self.z: E = None self.t: F = None self.txt = txt class B: def __init__(self, txt: str): self.t: F = None self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.u: B = None self.w: A = None self.txt = txt class D: def __init__(self, txt: str): self.z: B = None self.u: F = None self.y: C = None self.txt = txt class E: def __init__(self, txt: str): self.y: C = None self.x: C = None self.p: D = None self.z: F = None self.v: B = None self.txt = txt class F: def __init__(self, txt: str): self.v: A = None self.z: A = None self.txt = txt e = A("e") a = B("a") h = C("h") c = D("c") g = E("g") d = F("d") e.z = g e.t = d a.t = d a.v = h h.u = a h.w = e c.z = a c.u = d c.y = h g.y = h g.x = h g.p = c g.z = d g.v = a d.v = e d.z = e assert d.v.z.v.t.z.txt == "e"

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class A: def __init__(self, txt: str): self.v: C = None self.p: E = None self.z: B = None self.q: E = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.z: D = None self.o: C = None self.u: C = None self.txt = txt class C: def __init__(self, txt: str): self.v: E = None self.x: E = None self.z: A = None self.txt = txt class D: def __init__(self, txt: str): self.y: E = None self.v: C = None self.txt = txt class E: def __init__(self, txt: str): self.o: C = None self.txt = txt c = A("c") e = B("e") b = C("b") a = D("a") d = E("d") g = E("g") c.v = b c.p = g c.z = e c.r = e c.q = d e.s = b e.o = b e.u = b e.z = a b.v = d b.x = d b.z = c a.y = d a.v = b d.o = b g.o = b assert c.v.z.q.o.z.txt == "

c"

class A: def __init__(self, txt: str): self.v: C = None self.p: E = None self.z: B = None self.q: E = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: C = None self.z: D = None self.o: C = None self.u: C = None self.txt = txt class C: def __init__(self, txt: str): self.v: E = None self.x: E = None self.z: A = None self.txt = txt class D: def __init__(self, txt: str): self.y: E = None self.v: C = None self.txt = txt class E: def __init__(self, txt: str): self.o: C = None self.txt = txt c = A("c") e = B("e") b = C("b") a = D("a") d = E("d") g = E("g") c.v = b c.p = g c.z = e c.r = e c.q = d e.s = b e.o = b e.u = b e.z = a b.v = d b.x = d b.z = c a.y = d a.v = b d.o = b g.o = b assert c.v.z.q.o.z.txt == "c"

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class A: def __init__(self, txt: str): self.t: C = None self.r: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: F = None self.o: G = None self.r: C = None self.u: C = None self.q: C = None self.x: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: F = None self.txt = txt class D: def __init__(self, txt: str): self.x: F = None self.txt = txt class E: def __init__(self, txt: str): self.t: C = None self.x: B = None self.r: G = None self.txt = txt class F: def __init__(self, txt: str): self.y: C = None self.s: D = None self.w: C = None self.txt = txt class G: def __init__(self, txt: str): self.v: F = None self.y: B = None self.txt = txt d = A("d") h = B("h") g = C("g") a = D("a") b = E("b") i = F("i") c = G("c") d.t = g d.r = g h.y = i h.o = c h.r = g h.u = g h.q = g h.x = a g.s = i a.x = i b.t = g b.x = h b.r = c i.y = g i.w = g i.s = a c.v = i c.y = h assert d.t.s.y.s.w.s.txt == "

i"

class A: def __init__(self, txt: str): self.t: C = None self.r: C = None self.txt = txt class B: def __init__(self, txt: str): self.y: F = None self.o: G = None self.r: C = None self.u: C = None self.q: C = None self.x: D = None self.txt = txt class C: def __init__(self, txt: str): self.s: F = None self.txt = txt class D: def __init__(self, txt: str): self.x: F = None self.txt = txt class E: def __init__(self, txt: str): self.t: C = None self.x: B = None self.r: G = None self.txt = txt class F: def __init__(self, txt: str): self.y: C = None self.s: D = None self.w: C = None self.txt = txt class G: def __init__(self, txt: str): self.v: F = None self.y: B = None self.txt = txt d = A("d") h = B("h") g = C("g") a = D("a") b = E("b") i = F("i") c = G("c") d.t = g d.r = g h.y = i h.o = c h.r = g h.u = g h.q = g h.x = a g.s = i a.x = i b.t = g b.x = h b.r = c i.y = g i.w = g i.s = a c.v = i c.y = h assert d.t.s.y.s.w.s.txt == "i"

d

g

i

g

i

g

i

x

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g

i

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i

g

d

x

class A: def __init__(self, txt: str): self.w: C = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: B = None self.txt = txt class C: def __init__(self, txt: str): self.z: A = None self.r: B = None self.x: A = None self.txt = txt a = A("a") h = B("h") b = C("b") c = A("c") d = B("d") a.w = b a.p = d h.r = d h.x = d b.z = c b.r = h b.x = a c.w = b c.p = h d.r = h d.x = h assert h.r.r.r.x.r.txt == "

d"

class A: def __init__(self, txt: str): self.w: C = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: B = None self.txt = txt class C: def __init__(self, txt: str): self.z: A = None self.r: B = None self.x: A = None self.txt = txt a = A("a") h = B("h") b = C("b") c = A("c") d = B("d") a.w = b a.p = d h.r = d h.x = d b.z = c b.r = h b.x = a c.w = b c.p = h d.r = h d.x = h assert h.r.r.r.x.r.txt == "d"

h

d

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x

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h

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d

h

x

x

class A: def __init__(self, txt: str): self.u: D = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.y: E = None self.txt = txt class D: def __init__(self, txt: str): self.p: C = None self.u: A = None self.t: E = None self.txt = txt class E: def __init__(self, txt: str): self.x: B = None self.r: B = None self.u: B = None self.q: A = None self.txt = txt c = A("c") j = B("j") e = C("e") i = D("i") g = E("g") c.u = i j.v = e e.y = g i.p = e i.u = c i.t = g g.x = j g.r = j g.u = j g.q = c assert g.u.v.y.q.txt == "

c"

class A: def __init__(self, txt: str): self.u: D = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.y: E = None self.txt = txt class D: def __init__(self, txt: str): self.p: C = None self.u: A = None self.t: E = None self.txt = txt class E: def __init__(self, txt: str): self.x: B = None self.r: B = None self.u: B = None self.q: A = None self.txt = txt c = A("c") j = B("j") e = C("e") i = D("i") g = E("g") c.u = i j.v = e e.y = g i.p = e i.u = c i.t = g g.x = j g.r = j g.u = j g.q = c assert g.u.v.y.q.txt == "c"

g

j

e

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x

class A: def __init__(self, txt: str): self.q: B = None self.w: C = None self.s: B = None self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: D = None self.s: A = None self.u: B = None self.txt = txt class D: def __init__(self, txt: str): self.s: A = None self.txt = txt c = A("c") b = B("b") d = C("d") a = D("a") c.q = b c.s = b c.w = d c.x = d b.t = c d.t = a d.s = c d.u = b a.s = c assert d.u.t.s.t.txt == "

c"

class A: def __init__(self, txt: str): self.q: B = None self.w: C = None self.s: B = None self.x: C = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt class C: def __init__(self, txt: str): self.t: D = None self.s: A = None self.u: B = None self.txt = txt class D: def __init__(self, txt: str): self.s: A = None self.txt = txt c = A("c") b = B("b") d = C("d") a = D("a") c.q = b c.s = b c.w = d c.x = d b.t = c d.t = a d.s = c d.u = b a.s = c assert d.u.t.s.t.txt == "c"

d

b

c

b

c

x

x

x

c

b

c

b

d

x

x

x

class A: def __init__(self, txt: str): self.t: G = None self.p: G = None self.o: B = None self.x: F = None self.q: C = None self.v: C = None self.s: F = None self.txt = txt class B: def __init__(self, txt: str): self.s: D = None self.x: D = None self.v: E = None self.z: D = None self.t: F = None self.txt = txt class C: def __init__(self, txt: str): self.q: D = None self.r: G = None self.txt = txt class D: def __init__(self, txt: str): self.x: A = None self.w: E = None self.txt = txt class E: def __init__(self, txt: str): self.s: F = None self.x: G = None self.z: C = None self.txt = txt class F: def __init__(self, txt: str): self.o: E = None self.q: C = None self.u: E = None self.r: G = None self.t: C = None self.txt = txt class G: def __init__(self, txt: str): self.u: A = None self.y: E = None self.s: D = None self.o: A = None self.z: B = None self.t: A = None self.txt = txt c = A("c") j = B("j") f = C("f") d = D("d") g = E("g") a = F("a") e = G("e") c.t = e c.p = e c.o = j c.x = a c.s = a c.q = f c.v = f j.s = d j.x = d j.z = d j.v = g j.t = a f.q = d f.r = e d.x = c d.w = g g.s = a g.x = e g.z = f a.o = g a.u = g a.q = f a.t = f a.r = e e.u = c e.o = c e.t = c e.y = g e.s = d e.z = j assert c.p.s.x.s.r.t.txt == "

c"

class A: def __init__(self, txt: str): self.t: G = None self.p: G = None self.o: B = None self.x: F = None self.q: C = None self.v: C = None self.s: F = None self.txt = txt class B: def __init__(self, txt: str): self.s: D = None self.x: D = None self.v: E = None self.z: D = None self.t: F = None self.txt = txt class C: def __init__(self, txt: str): self.q: D = None self.r: G = None self.txt = txt class D: def __init__(self, txt: str): self.x: A = None self.w: E = None self.txt = txt class E: def __init__(self, txt: str): self.s: F = None self.x: G = None self.z: C = None self.txt = txt class F: def __init__(self, txt: str): self.o: E = None self.q: C = None self.u: E = None self.r: G = None self.t: C = None self.txt = txt class G: def __init__(self, txt: str): self.u: A = None self.y: E = None self.s: D = None self.o: A = None self.z: B = None self.t: A = None self.txt = txt c = A("c") j = B("j") f = C("f") d = D("d") g = E("g") a = F("a") e = G("e") c.t = e c.p = e c.o = j c.x = a c.s = a c.q = f c.v = f j.s = d j.x = d j.z = d j.v = g j.t = a f.q = d f.r = e d.x = c d.w = g g.s = a g.x = e g.z = f a.o = g a.u = g a.q = f a.t = f a.r = e e.u = c e.o = c e.t = c e.y = g e.s = d e.z = j assert c.p.s.x.s.r.t.txt == "c"

c

e

d

c

a

e

c

x

c

e

a

c

d

e

c

x

class A: def __init__(self, txt: str): self.q: E = None self.o: C = None self.txt = txt class B: def __init__(self, txt: str): self.p: E = None self.txt = txt class C: def __init__(self, txt: str): self.s: C = None self.t: C = None self.q: C = None self.w: E = None self.txt = txt class D: def __init__(self, txt: str): self.x: E = None self.r: B = None self.v: E = None self.txt = txt class E: def __init__(self, txt: str): self.z: A = None self.o: C = None self.r: D = None self.q: C = None self.u: B = None self.txt = txt h = A("h") f = B("f") a = C("a") g = D("g") c = E("c") b = E("b") i = C("i") h.q = c h.o = i f.p = c a.s = i a.t = i a.q = i a.w = c g.x = b g.r = f g.v = c c.z = h c.o = a c.q = a c.r = g c.u = f b.z = h b.o = i b.q = i b.r = g b.u = f i.s = a i.t = a i.q = a i.w = b assert i.w.z.o.s.q.t.txt == "

a"

class A: def __init__(self, txt: str): self.q: E = None self.o: C = None self.txt = txt class B: def __init__(self, txt: str): self.p: E = None self.txt = txt class C: def __init__(self, txt: str): self.s: C = None self.t: C = None self.q: C = None self.w: E = None self.txt = txt class D: def __init__(self, txt: str): self.x: E = None self.r: B = None self.v: E = None self.txt = txt class E: def __init__(self, txt: str): self.z: A = None self.o: C = None self.r: D = None self.q: C = None self.u: B = None self.txt = txt h = A("h") f = B("f") a = C("a") g = D("g") c = E("c") b = E("b") i = C("i") h.q = c h.o = i f.p = c a.s = i a.t = i a.q = i a.w = c g.x = b g.r = f g.v = c c.z = h c.o = a c.q = a c.r = g c.u = f b.z = h b.o = i b.q = i b.r = g b.u = f i.s = a i.t = a i.q = a i.w = b assert i.w.z.o.s.q.t.txt == "a"

i

b

h

i

a

i

a

x

a

i

a

i

h

b

i

x

class A: def __init__(self, txt: str): self.z: B = None self.y: C = None self.q: B = None self.o: D = None self.txt = txt class B: def __init__(self, txt: str): self.w: D = None self.txt = txt class C: def __init__(self, txt: str): self.p: B = None self.q: A = None self.txt = txt class D: def __init__(self, txt: str): self.u: C = None self.z: B = None self.txt = txt g = A("g") a = B("a") h = C("h") b = D("b") g.z = a g.q = a g.y = h g.o = b a.w = b h.p = a h.q = g b.u = h b.z = a assert g.o.z.w.z.txt == "

a"

class A: def __init__(self, txt: str): self.z: B = None self.y: C = None self.q: B = None self.o: D = None self.txt = txt class B: def __init__(self, txt: str): self.w: D = None self.txt = txt class C: def __init__(self, txt: str): self.p: B = None self.q: A = None self.txt = txt class D: def __init__(self, txt: str): self.u: C = None self.z: B = None self.txt = txt g = A("g") a = B("a") h = C("h") b = D("b") g.z = a g.q = a g.y = h g.o = b a.w = b h.p = a h.q = g b.u = h b.z = a assert g.o.z.w.z.txt == "a"

g

b

a

b

a

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x

x

a

b

a

b

g

x

x

x

class A: def __init__(self, txt: str): self.v: F = None self.y: F = None self.t: E = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.t: E = None self.r: B = None self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.p: E = None self.x: E = None self.r: E = None self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.txt = txt class E: def __init__(self, txt: str): self.y: D = None self.txt = txt class F: def __init__(self, txt: str): self.y: B = None self.z: B = None self.txt = txt j = A("j") f = B("f") d = C("d") b = D("b") c = E("c") i = F("i") a = B("a") j.v = i j.y = i j.t = c f.p = j f.t = c f.r = a f.y = b d.o = j d.p = c d.x = c d.r = c d.y = f b.w = d c.y = b i.y = a i.z = a a.p = j a.t = c a.r = f a.y = b assert f.r.r.p.y.y.y.w.txt == "

d"

class A: def __init__(self, txt: str): self.v: F = None self.y: F = None self.t: E = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.t: E = None self.r: B = None self.y: D = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.p: E = None self.x: E = None self.r: E = None self.y: B = None self.txt = txt class D: def __init__(self, txt: str): self.w: C = None self.txt = txt class E: def __init__(self, txt: str): self.y: D = None self.txt = txt class F: def __init__(self, txt: str): self.y: B = None self.z: B = None self.txt = txt j = A("j") f = B("f") d = C("d") b = D("b") c = E("c") i = F("i") a = B("a") j.v = i j.y = i j.t = c f.p = j f.t = c f.r = a f.y = b d.o = j d.p = c d.x = c d.r = c d.y = f b.w = d c.y = b i.y = a i.z = a a.p = j a.t = c a.r = f a.y = b assert f.r.r.p.y.y.y.w.txt == "d"

f

a

f

j

i

a

b

d

d

b

a

i

j

f

a

f

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.u: B = None self.s: B = None self.txt = txt f = A("f") e = B("e") i = C("i") g = B("g") f.r = e e.s = g i.o = f i.u = e i.s = e g.s = e assert e.s.s.s.s.txt == "

e"

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.u: B = None self.s: B = None self.txt = txt f = A("f") e = B("e") i = C("i") g = B("g") f.r = e e.s = g i.o = f i.u = e i.s = e g.s = e assert e.s.s.s.s.txt == "e"

e

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e

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e

x

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x

e

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e

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e

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x

x

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.z: A = None self.txt = txt e = A("e") c = B("c") b = A("b") d = B("d") f = A("f") i = B("i") g = A("g") e.x = b c.t = b c.z = b b.x = g d.t = g d.z = g f.x = e i.t = g i.z = f g.x = e assert b.x.x.x.x.x.txt == "

e"

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.z: A = None self.txt = txt e = A("e") c = B("c") b = A("b") d = B("d") f = A("f") i = B("i") g = A("g") e.x = b c.t = b c.z = b b.x = g d.t = g d.z = g f.x = e i.t = g i.z = f g.x = e assert b.x.x.x.x.x.txt == "e"

b

g

e

b

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e

x

x

e

g

b

e

g

b

x

x

class A: def __init__(self, txt: str): self.y: A = None self.w: C = None self.r: D = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: B = None self.p: A = None self.x: A = None self.txt = txt class D: def __init__(self, txt: str): self.s: C = None self.v: C = None self.t: B = None self.w: A = None self.txt = txt j = A("j") h = B("h") g = C("g") f = D("f") i = A("i") j.y = i j.w = g j.r = f j.x = h h.v = g g.z = h g.p = i g.x = j f.s = g f.v = g f.t = h f.w = j i.y = j i.w = g i.r = f i.x = h assert j.x.v.x.r.txt == "

f"

class A: def __init__(self, txt: str): self.y: A = None self.w: C = None self.r: D = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.txt = txt class C: def __init__(self, txt: str): self.z: B = None self.p: A = None self.x: A = None self.txt = txt class D: def __init__(self, txt: str): self.s: C = None self.v: C = None self.t: B = None self.w: A = None self.txt = txt j = A("j") h = B("h") g = C("g") f = D("f") i = A("i") j.y = i j.w = g j.r = f j.x = h h.v = g g.z = h g.p = i g.x = j f.s = g f.v = g f.t = h f.w = j i.y = j i.w = g i.r = f i.x = h assert j.x.v.x.r.txt == "f"

j

h

g

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x

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h

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x

class A: def __init__(self, txt: str): self.r: C = None self.q: E = None self.y: D = None self.s: F = None self.u: C = None self.z: F = None self.txt = txt class B: def __init__(self, txt: str): self.s: F = None self.y: C = None self.txt = txt class C: def __init__(self, txt: str): self.s: E = None self.o: D = None self.z: B = None self.v: B = None self.p: F = None self.txt = txt class D: def __init__(self, txt: str): self.p: B = None self.txt = txt class E: def __init__(self, txt: str): self.p: F = None self.t: D = None self.v: C = None self.o: A = None self.r: A = None self.txt = txt class F: def __init__(self, txt: str): self.o: B = None self.t: A = None self.z: C = None self.w: A = None self.txt = txt i = A("i") g = B("g") c = C("c") b = D("b") h = E("h") d = F("d") i.r = c i.u = c i.q = h i.y = b i.s = d i.z = d g.s = d g.y = c c.s = h c.o = b c.z = g c.v = g c.p = d b.p = g h.p = d h.t = b h.v = c h.o = i h.r = i d.o = g d.t = i d.w = i d.z = c assert c.z.s.z.v.y.o.txt == "

b"

class A: def __init__(self, txt: str): self.r: C = None self.q: E = None self.y: D = None self.s: F = None self.u: C = None self.z: F = None self.txt = txt class B: def __init__(self, txt: str): self.s: F = None self.y: C = None self.txt = txt class C: def __init__(self, txt: str): self.s: E = None self.o: D = None self.z: B = None self.v: B = None self.p: F = None self.txt = txt class D: def __init__(self, txt: str): self.p: B = None self.txt = txt class E: def __init__(self, txt: str): self.p: F = None self.t: D = None self.v: C = None self.o: A = None self.r: A = None self.txt = txt class F: def __init__(self, txt: str): self.o: B = None self.t: A = None self.z: C = None self.w: A = None self.txt = txt i = A("i") g = B("g") c = C("c") b = D("b") h = E("h") d = F("d") i.r = c i.u = c i.q = h i.y = b i.s = d i.z = d g.s = d g.y = c c.s = h c.o = b c.z = g c.v = g c.p = d b.p = g h.p = d h.t = b h.v = c h.o = i h.r = i d.o = g d.t = i d.w = i d.z = c assert c.z.s.z.v.y.o.txt == "b"

c

g

d

c

g

c

b

x

b

c

g

c

d

g

c

x

class A: def __init__(self, txt: str): self.z: E = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.w: E = None self.txt = txt class C: def __init__(self, txt: str): self.w: A = None self.v: F = None self.z: D = None self.txt = txt class D: def __init__(self, txt: str): self.u: A = None self.s: A = None self.q: A = None self.v: E = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.r: A = None self.y: B = None self.p: B = None self.o: C = None self.s: B = None self.txt = txt class F: def __init__(self, txt: str): self.x: A = None self.txt = txt i = A("i") b = B("b") j = C("j") h = D("h") f = E("f") e = F("e") i.z = f b.y = i b.w = f j.w = i j.v = e j.z = h h.u = i h.s = i h.q = i h.v = f f.z = h f.r = i f.y = b f.p = b f.s = b f.o = j e.x = i assert i.z.r.z.s.w.txt == "

f"

class A: def __init__(self, txt: str): self.z: E = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.w: E = None self.txt = txt class C: def __init__(self, txt: str): self.w: A = None self.v: F = None self.z: D = None self.txt = txt class D: def __init__(self, txt: str): self.u: A = None self.s: A = None self.q: A = None self.v: E = None self.txt = txt class E: def __init__(self, txt: str): self.z: D = None self.r: A = None self.y: B = None self.p: B = None self.o: C = None self.s: B = None self.txt = txt class F: def __init__(self, txt: str): self.x: A = None self.txt = txt i = A("i") b = B("b") j = C("j") h = D("h") f = E("f") e = F("e") i.z = f b.y = i b.w = f j.w = i j.v = e j.z = h h.u = i h.s = i h.q = i h.v = f f.z = h f.r = i f.y = b f.p = b f.s = b f.o = j e.x = i assert i.z.r.z.s.w.txt == "f"

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class A: def __init__(self, txt: str): self.u: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.p: B = None self.txt = txt class C: def __init__(self, txt: str): self.x: D = None self.p: D = None self.r: B = None self.w: C = None self.txt = txt class D: def __init__(self, txt: str): self.v: C = None self.txt = txt b = A("b") f = B("f") d = C("d") i = D("i") c = C("c") h = D("h") e = B("e") b.u = c f.q = c f.p = e d.x = i d.p = h d.r = f d.w = c i.v = d c.x = h c.p = h c.r = f c.w = d h.v = d e.q = d e.p = f assert c.r.q.w.x.txt == "

i"

class A: def __init__(self, txt: str): self.u: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.p: B = None self.txt = txt class C: def __init__(self, txt: str): self.x: D = None self.p: D = None self.r: B = None self.w: C = None self.txt = txt class D: def __init__(self, txt: str): self.v: C = None self.txt = txt b = A("b") f = B("f") d = C("d") i = D("i") c = C("c") h = D("h") e = B("e") b.u = c f.q = c f.p = e d.x = i d.p = h d.r = f d.w = c i.v = d c.x = h c.p = h c.r = f c.w = d h.v = d e.q = d e.p = f assert c.r.q.w.x.txt == "i"

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class A: def __init__(self, txt: str): self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.p: D = None self.txt = txt class D: def __init__(self, txt: str): self.s: C = None self.txt = txt c = A("c") a = B("a") f = C("f") j = D("j") c.p = f a.s = c a.z = c f.p = j j.s = f assert c.p.p.s.p.txt == "

j"

class A: def __init__(self, txt: str): self.p: C = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.z: A = None self.txt = txt class C: def __init__(self, txt: str): self.p: D = None self.txt = txt class D: def __init__(self, txt: str): self.s: C = None self.txt = txt c = A("c") a = B("a") f = C("f") j = D("j") c.p = f a.s = c a.z = c f.p = j j.s = f assert c.p.p.s.p.txt == "j"

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class A: def __init__(self, txt: str): self.s: B = None self.o: C = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.v: A = None self.r: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.txt = txt f = A("f") e = B("e") c = C("c") a = B("a") g = C("g") f.s = a f.o = c f.v = e e.q = g e.v = f e.r = a c.o = f a.q = c a.v = f a.r = e g.o = f assert f.o.o.v.q.txt == "

g"

class A: def __init__(self, txt: str): self.s: B = None self.o: C = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: C = None self.v: A = None self.r: B = None self.txt = txt class C: def __init__(self, txt: str): self.o: A = None self.txt = txt f = A("f") e = B("e") c = C("c") a = B("a") g = C("g") f.s = a f.o = c f.v = e e.q = g e.v = f e.r = a c.o = f a.q = c a.v = f a.r = e g.o = f assert f.o.o.v.q.txt == "g"

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class A: def __init__(self, txt: str): self.q: B = None self.u: B = None self.v: B = None self.o: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: D = None self.s: A = None self.o: D = None self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: B = None self.t: D = None self.o: D = None self.txt = txt a = A("a") d = B("d") f = C("f") e = D("e") h = D("h") a.q = d a.u = d a.v = d a.o = f d.q = h d.o = h d.s = a d.r = a f.s = d e.v = d e.t = h e.o = h h.v = d h.t = e h.o = e assert f.s.s.u.r.txt == "

a"

class A: def __init__(self, txt: str): self.q: B = None self.u: B = None self.v: B = None self.o: C = None self.txt = txt class B: def __init__(self, txt: str): self.q: D = None self.s: A = None self.o: D = None self.r: A = None self.txt = txt class C: def __init__(self, txt: str): self.s: B = None self.txt = txt class D: def __init__(self, txt: str): self.v: B = None self.t: D = None self.o: D = None self.txt = txt a = A("a") d = B("d") f = C("f") e = D("e") h = D("h") a.q = d a.u = d a.v = d a.o = f d.q = h d.o = h d.s = a d.r = a f.s = d e.v = d e.t = h e.o = h h.v = d h.t = e h.o = e assert f.s.s.u.r.txt == "a"

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class A: def __init__(self, txt: str): self.w: B = None self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.t: A = None self.s: D = None self.txt = txt class D: def __init__(self, txt: str): self.p: A = None self.txt = txt c = A("c") j = B("j") a = C("a") g = D("g") d = C("d") c.w = j c.v = g j.p = c j.u = c a.v = c a.t = c a.s = g g.p = c d.v = c d.t = c d.s = g assert g.p.v.p.w.p.txt == "

c"

class A: def __init__(self, txt: str): self.w: B = None self.v: D = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: A = None self.t: A = None self.s: D = None self.txt = txt class D: def __init__(self, txt: str): self.p: A = None self.txt = txt c = A("c") j = B("j") a = C("a") g = D("g") d = C("d") c.w = j c.v = g j.p = c j.u = c a.v = c a.t = c a.s = g g.p = c d.v = c d.t = c d.s = g assert g.p.v.p.w.p.txt == "c"

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class A: def __init__(self, txt: str): self.o: A = None self.t: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: B = None self.z: C = None self.txt = txt h = A("h") g = B("g") a = C("a") e = A("e") f = C("f") i = B("i") d = C("d") h.o = e h.t = e h.y = e g.v = d g.u = e a.v = i a.z = f e.o = h e.t = h e.y = h f.v = i f.z = d i.v = d i.u = h d.v = i d.z = a assert i.v.v.u.y.y.o.t.txt == "

h"

class A: def __init__(self, txt: str): self.o: A = None self.t: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: C = None self.u: A = None self.txt = txt class C: def __init__(self, txt: str): self.v: B = None self.z: C = None self.txt = txt h = A("h") g = B("g") a = C("a") e = A("e") f = C("f") i = B("i") d = C("d") h.o = e h.t = e h.y = e g.v = d g.u = e a.v = i a.z = f e.o = h e.t = h e.y = h f.v = i f.z = d i.v = d i.u = h d.v = i d.z = a assert i.v.v.u.y.y.o.t.txt == "h"

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class A: def __init__(self, txt: str): self.x: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.u: A = None self.z: A = None self.x: A = None self.txt = txt j = A("j") b = B("b") f = C("f") g = B("g") j.x = b j.p = b b.v = g b.p = j f.u = j f.z = j f.x = j g.v = b g.p = j assert f.u.p.v.p.txt == "

j"

class A: def __init__(self, txt: str): self.x: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: A = None self.txt = txt class C: def __init__(self, txt: str): self.u: A = None self.z: A = None self.x: A = None self.txt = txt j = A("j") b = B("b") f = C("f") g = B("g") j.x = b j.p = b b.v = g b.p = j f.u = j f.z = j f.x = j g.v = b g.p = j assert f.u.p.v.p.txt == "j"

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class A: def __init__(self, txt: str): self.t: B = None self.v: C = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.z: D = None self.txt = txt class C: def __init__(self, txt: str): self.p: A = None self.q: D = None self.o: B = None self.t: B = None self.txt = txt class D: def __init__(self, txt: str): self.z: A = None self.txt = txt h = A("h") d = B("d") e = C("e") c = D("c") b = C("b") g = A("g") h.t = d h.w = d h.v = b d.o = e d.z = c e.p = g e.q = c e.o = d e.t = d c.z = h b.p = h b.q = c b.o = d b.t = d g.t = d g.w = d g.v = e assert e.q.z.v.q.z.txt == "

h"

class A: def __init__(self, txt: str): self.t: B = None self.v: C = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: C = None self.z: D = None self.txt = txt class C: def __init__(self, txt: str): self.p: A = None self.q: D = None self.o: B = None self.t: B = None self.txt = txt class D: def __init__(self, txt: str): self.z: A = None self.txt = txt h = A("h") d = B("d") e = C("e") c = D("c") b = C("b") g = A("g") h.t = d h.w = d h.v = b d.o = e d.z = c e.p = g e.q = c e.o = d e.t = d c.z = h b.p = h b.q = c b.o = d b.t = d g.t = d g.w = d g.v = e assert e.q.z.v.q.z.txt == "h"

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c